package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
    /*
    菜品管理
     */
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /*
        新增菜品
     */
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品:{}", dishDTO);
        dishService.saveWithFlavour(dishDTO);

        //清理redis的缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        redisTemplate.delete(key);

        return Result.success();
    }

    //菜品分类查询
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    //批量删除菜品
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除菜品:{}",ids);
        dishService.deleteBatch(ids);

        //将缓存中的所有数据清空
        cleanCache("dish_*");

        return Result.success();
    }

    //根据id查询菜品，实现修改的回显操作
    @GetMapping("/{id}")
    public Result<DishVO> getByIdWithFlavor(@PathVariable Long id){
        log.info("根据id查询菜品:{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    //修改菜品
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将缓存中的所有数据清空
        cleanCache("dish_*");

        return Result.success();
    }

    //根据分类id查询菜品
    @GetMapping("/list")
    public Result<List<Dish>> list(Long categoryId){
        log.info("根据分类id查询菜品:{}",categoryId);
        List<Dish> list = dishService.getByCategoryId(categoryId);
        return Result.success(list);
    }

    //实现菜品的启用禁用功能
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);

        //记得在修改后清理缓存
        String key = "dish_" + id;
        redisTemplate.delete(key);

        return Result.success();
    }

    private void cleanCache(String pattern){
        //将缓存中的所有数据清空
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
